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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.202 by root, Thu Sep 29 10:01:35 2011 UTC vs.
Revision 1.283 by root, Thu Sep 3 17:20:45 2020 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
21# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
22#endif 36#endif
23 37
24/* perl namespace pollution */ 38/* perl namespace pollution */
25#undef VERSION 39#undef VERSION
26 40
… …
61 #undef fchmod 75 #undef fchmod
62 #undef dup 76 #undef dup
63 #undef dup2 77 #undef dup2
64 #undef abort 78 #undef abort
65 #undef pipe 79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83 #define EIO_STRUCT_STATI64
66 84
67#else 85#else
68 86
69 #include <sys/time.h> 87 #include <sys/time.h>
70 #include <sys/select.h> 88 #include <sys/select.h>
71 #include <unistd.h> 89 #include <unistd.h>
72 #include <utime.h> 90 #include <utime.h>
73 #include <signal.h> 91 #include <signal.h>
74 92
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 93 #define EIO_STRUCT_STAT Stat_t
78 94
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 95#endif
89 96
90/*****************************************************************************/ 97/*****************************************************************************/
91 98
92#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
97 104
98#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
100 107
101/*****************************************************************************/ 108/*****************************************************************************/
109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
102 171
103typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
106 175
… …
113 STRLEN stroffset; \ 182 STRLEN stroffset; \
114 SV *self; 183 SV *self;
115 184
116#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
117 186
118#include "libeio/config.h"
119#include "libeio/eio.h" 187#include "libeio/eio.h"
120 188
121static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
125 193
126#include "libeio/eio.c" 194#include "libeio/eio.c"
127 195
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 196#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 198#endif
196 199
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 200#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 202#endif
291 203
292#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 205# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
295# else 207# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 209# endif
298#endif 210#endif
299#ifndef MAP_HUGETLB
300# define MAP_HUGETLB 0
301#endif
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 211
315#ifndef makedev 212#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 214#endif
318#ifndef major 215#ifndef major
… …
320#endif 217#endif
321#ifndef minor 218#ifndef minor
322# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
323#endif 220#endif
324 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
325#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
329/* defines all sorts of constants to 0 unless they are already defined */
330/* also provides const_iv_ and const_niv_ macros for them */
331#include "def0.h"
332
333/*****************************************************************************/
334
335static void
336fiemap (eio_req *req)
337{
338 req->result = -1;
339
340#if HAVE_FIEMAP
341 /* assume some c99 */
342 struct fiemap *fiemap = 0;
343 size_t end_offset;
344 int count = req->int3;
345
346 req->flags |= EIO_FLAG_PTR1_FREE;
347
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in fixed steps */
350 if (count < 0)
351 count = 8;
352
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM;
355 if (!fiemap)
356 return;
357
358 req->ptr1 = fiemap;
359
360 fiemap->fm_start = req->offs;
361 fiemap->fm_length = req->size;
362 fiemap->fm_flags = req->int2;
363 fiemap->fm_extent_count = count;
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
366 return;
367
368 if (req->int3 >= 0 /* not autosizing */
369 || !fiemap->fm_mapped_extents /* no more extents */
370 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
371 goto done;
372
373 /* else we have to loop -
374 * it would be tempting (actually I tried that first) to just query the
375 * number of extents needed, but linux often feels like not returning all
376 * extents, without telling us it left any out. this complicates
377 * this quite a bit.
378 */
379
380 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
381
382 for (;;)
383 {
384 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
385 char scratch[3072];
386 struct fiemap *incmap = (struct fiemap *)scratch;
387
388 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
389 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
390 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
391 incmap->fm_flags = fiemap->fm_flags;
392 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
393
394 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
395 return;
396
397 if (!incmap->fm_mapped_extents)
398 goto done;
399
400 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
401 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
402 errno = ENOMEM;
403 if (!fiemap)
404 return;
405
406 req->ptr1 = fiemap;
407
408 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 {
410 struct fiemap_extent *e = incmap->fm_extents + count;
411
412 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
413
414 if (e->fe_logical + e->fe_length >= end_offset)
415 goto done;
416
417 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done;
419
420 }
421 }
422
423done:
424 req->result = 0;
425
426#else
427 errno = ENOSYS;
428#endif
429}
430
431/*****************************************************************************/
432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327#endif 442#endif
328 443
329enum { 444enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 446};
… …
356 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
357 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
358} 473}
359 474
360/* must be called at most once */ 475/* must be called at most once */
476ecb_noinline
361static SV * 477static SV *
362req_sv (aio_req req, HV *stash) 478req_sv (aio_req req, HV *stash)
363{ 479{
364 if (!req->self) 480 if (!req->self)
365 { 481 {
… …
371} 487}
372 488
373static SV * 489static SV *
374newSVaio_wd (aio_wd wd) 490newSVaio_wd (aio_wd wd)
375{ 491{
376 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377} 493}
378 494
495ecb_noinline
379static aio_req 496static aio_req
380SvAIO_REQ (SV *sv) 497SvAIO_REQ (SV *sv)
381{ 498{
382 MAGIC *mg; 499 MAGIC *mg;
383 500
384 if (!SvROK (sv) 501 if (!SvROK (sv)
502 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 503 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 504 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 505 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 506 croak ("object of class IO::AIO::REQ expected");
389 507
… …
394 512
395static aio_wd 513static aio_wd
396SvAIO_WD (SV *sv) 514SvAIO_WD (SV *sv)
397{ 515{
398 if (!SvROK (sv) 516 if (!SvROK (sv)
517 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 518 || SvSTASH (SvRV (sv)) != aio_wd_stash)
400 || SvTYPE (SvRV (sv)) != SVt_PVMG)
401 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 519 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 520
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 521 return (aio_wd)(long)SvIVX (SvRV (sv));
522}
523
524static SV *
525newmortalFH (int fd, int flags)
526{
527 if (fd < 0)
528 return &PL_sv_undef;
529
530 GV *gv = (GV *)sv_newmortal ();
531 char sym[64];
532 int symlen;
533
534 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
535 gv_init (gv, aio_stash, sym, symlen, 0);
536
537 symlen = snprintf (
538 sym,
539 sizeof (sym),
540 "%s&=%d",
541 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
542 fd
543 );
544
545 return do_open (gv, sym, symlen, 0, 0, 0, 0)
546 ? (SV *)gv : &PL_sv_undef;
404} 547}
405 548
406static void 549static void
407aio_grp_feed (aio_req grp) 550aio_grp_feed (aio_req grp)
408{ 551{
… …
420 FREETMPS; 563 FREETMPS;
421 LEAVE; 564 LEAVE;
422 } 565 }
423} 566}
424 567
568ecb_noinline
425static void 569static void
426req_submit (eio_req *req) 570req_submit (eio_req *req)
427{ 571{
428 eio_submit (req); 572 eio_submit (req);
429 573
… …
471 } 615 }
472 616
473 switch (req->type) 617 switch (req->type)
474 { 618 {
475 case EIO_WD_OPEN: 619 case EIO_WD_OPEN:
476 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 620 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
477 break; 621 break;
478 622
479 case EIO_READDIR: 623 case EIO_READDIR:
480 { 624 {
481 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
… …
536 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 680 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
537 } 681 }
538 break; 682 break;
539 683
540 case EIO_OPEN: 684 case EIO_OPEN:
541 { 685 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
542 /* convert fd to fh */
543 SV *fh = &PL_sv_undef;
544
545 if (req->result >= 0)
546 {
547 GV *gv = (GV *)sv_newmortal ();
548 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
549 char sym [64];
550 int symlen;
551
552 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
553 gv_init (gv, aio_stash, sym, symlen, 0);
554
555 symlen = snprintf (
556 sym,
557 sizeof (sym),
558 "%s&=%d",
559 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
560 (int)req->result
561 );
562
563 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
564 fh = (SV *)gv;
565 }
566
567 PUSHs (fh);
568 }
569 break; 686 break;
570 687
571 case EIO_STATVFS: 688 case EIO_STATVFS:
572 case EIO_FSTATVFS: 689 case EIO_FSTATVFS:
573 { 690 {
… …
576#ifndef _WIN32 693#ifndef _WIN32
577 if (req->result >= 0) 694 if (req->result >= 0)
578 { 695 {
579 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 696 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580 HV *hv = newHV (); 697 HV *hv = newHV ();
698 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
699 * chooses to make it a struct.
700 */
701 unsigned long fsid = 0;
702 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581 703
582 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 704 rv = sv_2mortal (newRV_noinc ((SV *)hv));
583 705
584 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 706 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 707 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
587 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 709 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 710 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 711 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 712 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 713 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 714 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 715 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 716 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595 } 717 }
596#endif 718#endif
597 719
… …
632 if (!(PL_laststatval = req->result)) 754 if (!(PL_laststatval = req->result))
633 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 755 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 756 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 757
636 PUSHs (sv_result); 758 PUSHs (sv_result);
759 break;
760
761 case EIO_SEEK:
762 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637 break; 763 break;
638 764
639 case EIO_READ: 765 case EIO_READ:
640 { 766 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 767 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
644 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 771 PUSHs (sv_result);
646 } 772 }
647 break; 773 break;
648 774
775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
799 case EIO_CUSTOM:
800 if (req->feed == fiemap)
801 {
802#if HAVE_FIEMAP
803 if (!req->result)
804 {
805 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
806
807 if (fiemap->fm_extent_count)
808 {
809 AV *av = newAV ();
810 int i;
811
812 while (fiemap->fm_mapped_extents)
813 {
814 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
815 AV *ext_av = newAV ();
816
817 av_store (ext_av, 3, newSVuv (extent->fe_flags));
818 av_store (ext_av, 2, newSVval64 (extent->fe_length));
819 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
820 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
821
822 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
823 }
824
825 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
826 }
827 else
828 {
829 SvIV_set (sv_result, fiemap->fm_mapped_extents);
830 PUSHs (sv_result);
831 }
832 }
833#endif
834 }
835 else
836 PUSHs (sv_result);
837 break;
838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 846 if (req->result > 0)
651 SvIV_set (sv_result, 0); 847 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
653 849
… …
689 SvREFCNT_dec (req->sv2); 885 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 886 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 887 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 888 SvREFCNT_dec (req->callback);
693 889
694 Safefree (req); 890 free (req);
695} 891}
696 892
697static void 893static void
698req_cancel_subs (aio_req grp) 894req_cancel_subs (aio_req grp)
699{ 895{
… …
704 grp->sv2 = 0; 900 grp->sv2 = 0;
705 901
706 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
707} 903}
708 904
709static void ecb_cold 905ecb_cold
906static void
710create_respipe (void) 907create_respipe (void)
711{ 908{
712 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
713 croak ("IO::AIO: unable to initialize result pipe"); 910 croak ("IO::AIO: unable to initialize result pipe");
714} 911}
… …
718{ 915{
719 while (eio_nreqs ()) 916 while (eio_nreqs ())
720 { 917 {
721 int size; 918 int size;
722 919
723 X_LOCK (reslock); 920 X_LOCK (EIO_POOL->reslock);
724 size = res_queue.size; 921 size = EIO_POOL->res_queue.size;
725 X_UNLOCK (reslock); 922 X_UNLOCK (EIO_POOL->reslock);
726 923
727 if (size) 924 if (size)
728 return; 925 return;
729 926
730 etp_maybe_start_thread (); 927 etp_maybe_start_thread (EIO_POOL);
731 928
732 s_epipe_wait (&respipe); 929 s_epipe_wait (&respipe);
733 } 930 }
734} 931}
735 932
… …
748 945
749 poll_wait (); 946 poll_wait ();
750 } 947 }
751} 948}
752 949
753static void ecb_cold 950ecb_cold
951static void
754reinit (void) 952reinit (void)
755{ 953{
756 create_respipe (); 954 create_respipe ();
757 955
758 if (eio_init (want_poll, done_poll) < 0) 956 if (eio_init (want_poll, done_poll) < 0)
759 croak ("IO::AIO: unable to initialise eio library"); 957 croak ("IO::AIO: unable to initialise eio library");
760} 958}
761 959
762/*****************************************************************************/ 960/*****************************************************************************/
763 961
764#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
766# define munmap(addr,length) (errno = ENOSYS, -1)
767#endif
768
769#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
771# define PROT_NONE 0
772# define PROT_WRITE 0
773# define MAP_PRIVATE 0
774# define MAP_SHARED 0
775# define MAP_FIXED 0
776#endif
777
778#define MMAP_MAGIC PERL_MAGIC_ext
779
780static int ecb_cold
781mmap_free (pTHX_ SV *sv, MAGIC *mg)
782{
783 int old_errno = errno;
784 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
785 errno = old_errno;
786
787 mg->mg_obj = 0; /* just in case */
788
789 SvREADONLY_off (sv);
790
791 if (SvPVX (sv) != mg->mg_ptr)
792 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
793
794 SvCUR_set (sv, 0);
795 SvPVX (sv) = 0;
796 SvOK_off (sv);
797
798 return 0;
799}
800
801static MGVTBL mmap_vtbl = {
802 0, 0, 0, 0, mmap_free
803};
804
805/*****************************************************************************/
806
807static SV * 962static SV *
808get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
809{ 964{
810 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
811 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812} 967}
813 968
969ecb_noinline
970static aio_req ecb_noinline
971dreq (SV *callback)
972{
973 SV *cb_cv;
974 aio_req req;
975 int req_pri = next_pri;
976 next_pri = EIO_PRI_DEFAULT;
977
978 cb_cv = get_cb (callback);
979
980 req = calloc (sizeof (*req), 1);
981 if (!req)
982 croak ("out of memory during eio_req allocation");
983
984 req->callback = SvREFCNT_inc (cb_cv);
985 req->pri = req_pri;
986
987 return req;
988}
989
814#define dREQ \ 990#define dREQ \
815 SV *cb_cv; \ 991 aio_req req = dreq (callback); \
816 aio_req req; \
817 int req_pri = next_pri; \
818 next_pri = EIO_PRI_DEFAULT; \
819 \
820 cb_cv = get_cb (callback); \
821 \
822 Newz (0, req, 1, eio_req); \
823 if (!req) \
824 croak ("out of memory during eio_req allocation"); \
825 \
826 req->callback = SvREFCNT_inc (cb_cv); \
827 req->pri = req_pri
828 992
829#define REQ_SEND \ 993#define REQ_SEND \
830 PUTBACK; \ 994 PUTBACK; \
831 req_submit (req); \ 995 req_submit (req); \
832 SPAGAIN; \ 996 SPAGAIN; \
833 \ 997 \
834 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
835 XPUSHs (req_sv (req, aio_req_stash)); 999 XPUSHs (req_sv (req, aio_req_stash));
836 1000
1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
837ecb_inline void 1002ecb_inline
1003void
838req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
839{ 1005{
840 if (expect_false (SvROK (path))) 1006 if (expect_false (SvROK (path)))
841 { 1007 {
842 AV *av = (AV *)SvRV (path); 1008 SV *rv = SvRV (path);
843 SV *wdob; 1009 SV *wdob;
844 1010
845 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1011 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
846 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
847
848 path = AvARRAY (av)[1];
849 wdob = AvARRAY (av)[0];
850
851 if (SvOK (wdob))
852 { 1012 {
1013 path = AvARRAY (rv)[1];
1014 wdob = AvARRAY (rv)[0];
1015
1016 if (SvOK (wdob))
1017 {
853 *wd = SvAIO_WD (wdob); 1018 *wd = SvAIO_WD (wdob);
854 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 1019 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1020 }
1021 else
1022 *wd = EIO_INVALID_WD;
1023 }
1024 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1025 {
1026 *wd = (aio_wd)(long)SvIVX (rv);
1027 *wdsv = SvREFCNT_inc_NN (rv);
1028 *ptr = ".";
1029 return; /* path set to "." */
855 } 1030 }
856 else 1031 else
857 *wd = EIO_INVALID_WD; 1032 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
858 } 1033 }
859 1034
860 *pathsv = newSVsv (path); 1035 *pathsv = newSVsv (path);
861 *ptr = SvPVbyte_nolen (*pathsv); 1036 *ptr = SvPVbyte_nolen (*pathsv);
862} 1037}
863 1038
864static void ecb_noinline 1039ecb_noinline
1040static void
865req_set_path1 (aio_req req, SV *path) 1041req_set_path1 (aio_req req, SV *path)
866{ 1042{
867 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
868} 1044}
869 1045
870static void ecb_noinline 1046ecb_noinline
1047static void
871req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
872{ 1049{
873 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
874 1051
875 switch (SvTYPE (rv)) 1052 switch (SvTYPE (rv))
… …
887 req_set_path1 (req, fh_or_path); 1064 req_set_path1 (req, fh_or_path);
888 break; 1065 break;
889 } 1066 }
890} 1067}
891 1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
892XS(boot_IO__AIO) ecb_cold; 1086XS(boot_IO__AIO) ecb_cold;
893 1087
894MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
895 1089
896PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
… …
902 IV iv; 1096 IV iv;
903 } *civ, const_iv[] = { 1097 } *civ, const_iv[] = {
904# define const_niv(name, value) { # name, (IV) value }, 1098# define const_niv(name, value) { # name, (IV) value },
905# define const_iv(name) { # name, (IV) name }, 1099# define const_iv(name) { # name, (IV) name },
906# define const_eio(name) { # name, (IV) EIO_ ## name }, 1100# define const_eio(name) { # name, (IV) EIO_ ## name },
1101
1102 /* you have to re-run ./gendef0 after adding/removing any constants here */
1103 /* the first block can be undef if missing */
1104 const_iv (ENOSYS)
907 const_iv (EXDEV) 1105 const_iv (EXDEV)
908 const_iv (ENOSYS) 1106 const_iv (EBADR)
1107
1108 /* for lseek */
1109 const_iv (SEEK_DATA)
1110 const_iv (SEEK_HOLE)
1111
1112 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1113 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1114 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1115 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1116 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1117 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1118
1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1124
1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
909 const_iv (O_RDONLY) 1128 const_iv (O_RDONLY)
910 const_iv (O_WRONLY) 1129 const_iv (O_WRONLY)
911 const_iv (O_RDWR) 1130 const_iv (O_RDWR)
912 const_iv (O_CREAT) 1131 const_iv (O_CREAT)
913 const_iv (O_TRUNC) 1132 const_iv (O_TRUNC)
… …
926 const_iv (O_SEARCH) 1145 const_iv (O_SEARCH)
927 const_iv (O_DIRECTORY) 1146 const_iv (O_DIRECTORY)
928 const_iv (O_DSYNC) 1147 const_iv (O_DSYNC)
929 const_iv (O_RSYNC) 1148 const_iv (O_RSYNC)
930 const_iv (O_SYNC) 1149 const_iv (O_SYNC)
1150 const_iv (O_PATH)
1151 const_iv (O_TMPFILE)
931 const_iv (O_TTY_INIT) 1152 const_iv (O_TTY_INIT)
932 1153
933 const_iv (S_IFIFO) 1154 const_iv (S_IFIFO)
934 const_iv (S_IFCHR) 1155 const_iv (S_IFCHR)
935 const_iv (S_IFBLK) 1156 const_iv (S_IFBLK)
… …
937 const_iv (S_IFREG) 1158 const_iv (S_IFREG)
938 const_iv (S_IFDIR) 1159 const_iv (S_IFDIR)
939 const_iv (S_IFWHT) 1160 const_iv (S_IFWHT)
940 const_iv (S_IFSOCK) 1161 const_iv (S_IFSOCK)
941 const_iv (S_IFMT) 1162 const_iv (S_IFMT)
942
943 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
944 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
945 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
946 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
947 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
948 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
949
950 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
951 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
952 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
953 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
954 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
955 1163
956 const_iv (ST_RDONLY) 1164 const_iv (ST_RDONLY)
957 const_iv (ST_NOSUID) 1165 const_iv (ST_NOSUID)
958 const_iv (ST_NODEV) 1166 const_iv (ST_NODEV)
959 const_iv (ST_NOEXEC) 1167 const_iv (ST_NOEXEC)
… …
969 const_iv (PROT_NONE) 1177 const_iv (PROT_NONE)
970 const_iv (PROT_EXEC) 1178 const_iv (PROT_EXEC)
971 const_iv (PROT_READ) 1179 const_iv (PROT_READ)
972 const_iv (PROT_WRITE) 1180 const_iv (PROT_WRITE)
973 1181
974 /*const_iv (MAP_FIXED)*/
975 const_iv (MAP_PRIVATE) 1182 const_iv (MAP_PRIVATE)
976 const_iv (MAP_SHARED) 1183 const_iv (MAP_SHARED)
1184 const_iv (MAP_FIXED)
977 const_iv (MAP_ANONYMOUS) 1185 const_iv (MAP_ANONYMOUS)
978 1186
979 /* linuxish */ 1187 /* linuxish */
980 const_iv (MAP_HUGETLB)
981 const_iv (MAP_LOCKED) 1188 const_iv (MAP_LOCKED)
982 const_iv (MAP_NORESERVE) 1189 const_iv (MAP_NORESERVE)
983 const_iv (MAP_POPULATE) 1190 const_iv (MAP_POPULATE)
984 const_iv (MAP_NONBLOCK) 1191 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK)
1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (MSG_CMSG_CLOEXEC)
1201 const_iv (SOCK_CLOEXEC)
1202
1203 const_iv (F_DUPFD_CLOEXEC)
1204
1205 const_iv (F_ADD_SEALS)
1206 const_iv (F_GET_SEALS)
1207 const_iv (F_SEAL_SEAL)
1208 const_iv (F_SEAL_SHRINK)
1209 const_iv (F_SEAL_GROW)
1210 const_iv (F_SEAL_WRITE)
1211
1212 const_iv (F_OFD_GETLK)
1213 const_iv (F_OFD_SETLK)
1214 const_iv (F_OFD_GETLKW)
1215
1216 const_iv (FIFREEZE)
1217 const_iv (FITHAW)
1218 const_iv (FITRIM)
1219 const_iv (FICLONE)
1220 const_iv (FICLONERANGE)
1221 const_iv (FIDEDUPERANGE)
1222
1223 const_iv (FS_IOC_GETFLAGS)
1224 const_iv (FS_IOC_SETFLAGS)
1225 const_iv (FS_IOC_GETVERSION)
1226 const_iv (FS_IOC_SETVERSION)
1227 const_iv (FS_IOC_FIEMAP)
1228 const_iv (FS_IOC_FSGETXATTR)
1229 const_iv (FS_IOC_FSSETXATTR)
1230 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1231 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1232 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1233
1234 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1235
1236 const_iv (FS_SECRM_FL)
1237 const_iv (FS_UNRM_FL)
1238 const_iv (FS_COMPR_FL)
1239 const_iv (FS_SYNC_FL)
1240 const_iv (FS_IMMUTABLE_FL)
1241 const_iv (FS_APPEND_FL)
1242 const_iv (FS_NODUMP_FL)
1243 const_iv (FS_NOATIME_FL)
1244 const_iv (FS_DIRTY_FL)
1245 const_iv (FS_COMPRBLK_FL)
1246 const_iv (FS_NOCOMP_FL)
1247 const_iv (FS_ENCRYPT_FL)
1248 const_iv (FS_BTREE_FL)
1249 const_iv (FS_INDEX_FL)
1250 const_iv (FS_JOURNAL_DATA_FL)
1251 const_iv (FS_NOTAIL_FL)
1252 const_iv (FS_DIRSYNC_FL)
1253 const_iv (FS_TOPDIR_FL)
1254 const_iv (FS_FL_USER_MODIFIABLE)
1255
1256 const_iv (FS_XFLAG_REALTIME)
1257 const_iv (FS_XFLAG_PREALLOC)
1258 const_iv (FS_XFLAG_IMMUTABLE)
1259 const_iv (FS_XFLAG_APPEND)
1260 const_iv (FS_XFLAG_SYNC)
1261 const_iv (FS_XFLAG_NOATIME)
1262 const_iv (FS_XFLAG_NODUMP)
1263 const_iv (FS_XFLAG_RTINHERIT)
1264 const_iv (FS_XFLAG_PROJINHERIT)
1265 const_iv (FS_XFLAG_NOSYMLINKS)
1266 const_iv (FS_XFLAG_EXTSIZE)
1267 const_iv (FS_XFLAG_EXTSZINHERIT)
1268 const_iv (FS_XFLAG_NODEFRAG)
1269 const_iv (FS_XFLAG_FILESTREAM)
1270 const_iv (FS_XFLAG_DAX)
1271 const_iv (FS_XFLAG_HASATTR)
1272
1273 const_iv (FIEMAP_FLAG_SYNC)
1274 const_iv (FIEMAP_FLAG_XATTR)
1275 const_iv (FIEMAP_FLAGS_COMPAT)
1276 const_iv (FIEMAP_EXTENT_LAST)
1277 const_iv (FIEMAP_EXTENT_UNKNOWN)
1278 const_iv (FIEMAP_EXTENT_DELALLOC)
1279 const_iv (FIEMAP_EXTENT_ENCODED)
1280 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1281 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1282 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1283 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1284 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1285 const_iv (FIEMAP_EXTENT_MERGED)
1286 const_iv (FIEMAP_EXTENT_SHARED)
1287
1288 const_iv (SPLICE_F_MOVE)
1289 const_iv (SPLICE_F_NONBLOCK)
1290 const_iv (SPLICE_F_MORE)
1291 const_iv (SPLICE_F_GIFT)
1292
1293 const_iv (EFD_CLOEXEC)
1294 const_iv (EFD_NONBLOCK)
1295 const_iv (EFD_SEMAPHORE)
1296
1297 const_iv (MFD_CLOEXEC)
1298 const_iv (MFD_ALLOW_SEALING)
1299 const_iv (MFD_HUGETLB)
1300
1301 const_iv (CLOCK_REALTIME)
1302 const_iv (CLOCK_MONOTONIC)
1303 const_iv (CLOCK_BOOTTIME)
1304 const_iv (CLOCK_REALTIME_ALARM)
1305 const_iv (CLOCK_BOOTTIME_ALARM)
1306
1307 const_iv (TFD_NONBLOCK)
1308 const_iv (TFD_CLOEXEC)
1309
1310 const_iv (TFD_TIMER_ABSTIME)
1311 const_iv (TFD_TIMER_CANCEL_ON_SET)
1312
1313 const_iv (STATX_TYPE)
1314 const_iv (STATX_MODE)
1315 const_iv (STATX_NLINK)
1316 const_iv (STATX_UID)
1317 const_iv (STATX_GID)
1318 const_iv (STATX_ATIME)
1319 const_iv (STATX_MTIME)
1320 const_iv (STATX_CTIME)
1321 const_iv (STATX_INO)
1322 const_iv (STATX_SIZE)
1323 const_iv (STATX_BLOCKS)
1324 const_iv (STATX_BASIC_STATS)
1325 const_iv (STATX_ALL)
1326 const_iv (STATX_BTIME)
1327 const_iv (STATX_ATTR_COMPRESSED)
1328 const_iv (STATX_ATTR_IMMUTABLE)
1329 const_iv (STATX_ATTR_APPEND)
1330 const_iv (STATX_ATTR_NODUMP)
1331 const_iv (STATX_ATTR_ENCRYPTED)
1332 const_iv (STATX_ATTR_AUTOMOUNT)
1333
1334 /* these are libeio constants, and are independent of gendef0 */
1335 const_eio (SEEK_SET)
1336 const_eio (SEEK_CUR)
1337 const_eio (SEEK_END)
985 1338
986 const_eio (MCL_FUTURE) 1339 const_eio (MCL_FUTURE)
987 const_eio (MCL_CURRENT) 1340 const_eio (MCL_CURRENT)
1341 const_eio (MCL_ONFAULT)
988 1342
989 const_eio (MS_ASYNC) 1343 const_eio (MS_ASYNC)
990 const_eio (MS_INVALIDATE) 1344 const_eio (MS_INVALIDATE)
991 const_eio (MS_SYNC) 1345 const_eio (MS_SYNC)
992 1346
… …
995 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1349 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
996 const_eio (SYNC_FILE_RANGE_WRITE) 1350 const_eio (SYNC_FILE_RANGE_WRITE)
997 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1351 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
998 1352
999 const_eio (FALLOC_FL_KEEP_SIZE) 1353 const_eio (FALLOC_FL_KEEP_SIZE)
1354 const_eio (FALLOC_FL_PUNCH_HOLE)
1355 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1356 const_eio (FALLOC_FL_ZERO_RANGE)
1357 const_eio (FALLOC_FL_INSERT_RANGE)
1358 const_eio (FALLOC_FL_UNSHARE_RANGE)
1359
1360 const_eio (RENAME_NOREPLACE)
1361 const_eio (RENAME_EXCHANGE)
1362 const_eio (RENAME_WHITEOUT)
1000 1363
1001 const_eio (READDIR_DENTS) 1364 const_eio (READDIR_DENTS)
1002 const_eio (READDIR_DIRS_FIRST) 1365 const_eio (READDIR_DIRS_FIRST)
1003 const_eio (READDIR_STAT_ORDER) 1366 const_eio (READDIR_STAT_ORDER)
1004 const_eio (READDIR_FOUND_UNKNOWN) 1367 const_eio (READDIR_FOUND_UNKNOWN)
… …
1022 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1385 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1023 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1386 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1024 1387
1025 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1388 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1026 1389
1390 /* allocate dummy pipe fd for aio_close */
1391 {
1392 int pipefd [2];
1393
1394 if (
1395#ifdef _WIN32
1396 _pipe (pipefd, 1, _O_BINARY) < 0
1397#else
1398 pipe (pipefd) < 0
1399 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1400#endif
1401 || close (pipefd [1]) < 0
1402 )
1403 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1404
1405 close_fd = pipefd [0];
1406 }
1407
1027 reinit (); 1408 reinit ();
1028} 1409}
1029 1410
1030void 1411void
1031reinit () 1412reinit ()
… …
1072 PROTOTYPE: $ 1453 PROTOTYPE: $
1073 CODE: 1454 CODE:
1074 max_outstanding = maxreqs; 1455 max_outstanding = maxreqs;
1075 1456
1076void 1457void
1077aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1458aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1078 PPCODE: 1459 PPCODE:
1079{ 1460{
1080 dREQ; 1461 dREQ;
1081 1462
1082 req->type = EIO_WD_OPEN; 1463 req->type = EIO_WD_OPEN;
… …
1084 1465
1085 REQ_SEND; 1466 REQ_SEND;
1086} 1467}
1087 1468
1088void 1469void
1089aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1470aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1090 PPCODE: 1471 PPCODE:
1091{ 1472{
1092 dREQ; 1473 dREQ;
1093 1474
1094 req->type = EIO_OPEN; 1475 req->type = EIO_OPEN;
… …
1098 1479
1099 REQ_SEND; 1480 REQ_SEND;
1100} 1481}
1101 1482
1102void 1483void
1103aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1484aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1104 ALIAS: 1485 ALIAS:
1105 aio_fsync = EIO_FSYNC 1486 aio_fsync = EIO_FSYNC
1106 aio_fdatasync = EIO_FDATASYNC 1487 aio_fdatasync = EIO_FDATASYNC
1107 aio_syncfs = EIO_SYNCFS 1488 aio_syncfs = EIO_SYNCFS
1108 PPCODE: 1489 PPCODE:
1109{ 1490{
1110 int fd = s_fileno_croak (fh, 0); 1491 int fd = s_fileno_croak (fh, 0);
1111 dREQ; 1492 dREQ;
1112 1493
1113 req->type = ix; 1494 req->type = ix;
1114 req->sv1 = newSVsv (fh); 1495 req->sv1 = newSVsv (fh);
1115 req->int1 = fd; 1496 req->int1 = fd;
1116 1497
1117 REQ_SEND (req); 1498 REQ_SEND;
1118} 1499}
1119 1500
1120void 1501void
1121aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1502aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1122 PPCODE: 1503 PPCODE:
1123{ 1504{
1124 int fd = s_fileno_croak (fh, 0); 1505 int fd = s_fileno_croak (fh, 0);
1125 dREQ; 1506 dREQ;
1126 1507
1127 req->type = EIO_SYNC_FILE_RANGE; 1508 req->type = EIO_SYNC_FILE_RANGE;
1128 req->sv1 = newSVsv (fh); 1509 req->sv1 = newSVsv (fh);
1129 req->int1 = fd; 1510 req->int1 = fd;
1130 req->offs = offset; 1511 req->offs = offset;
1131 req->size = nbytes; 1512 req->size = nbytes;
1132 req->int2 = flags; 1513 req->int2 = flags;
1133 1514
1134 REQ_SEND (req); 1515 REQ_SEND;
1135} 1516}
1136 1517
1137void 1518void
1138aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1519aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1139 PPCODE: 1520 PPCODE:
1140{ 1521{
1141 int fd = s_fileno_croak (fh, 0); 1522 int fd = s_fileno_croak (fh, 0);
1142 dREQ; 1523 dREQ;
1143 1524
1144 req->type = EIO_FALLOCATE; 1525 req->type = EIO_FALLOCATE;
1145 req->sv1 = newSVsv (fh); 1526 req->sv1 = newSVsv (fh);
1146 req->int1 = fd; 1527 req->int1 = fd;
1147 req->int2 = mode; 1528 req->int2 = mode;
1148 req->offs = offset; 1529 req->offs = offset;
1149 req->size = len; 1530 req->size = len;
1150 1531
1151 REQ_SEND (req); 1532 REQ_SEND;
1152} 1533}
1153 1534
1154void 1535void
1155aio_close (SV *fh, SV *callback=&PL_sv_undef) 1536aio_close (SV *fh, SV *callback = &PL_sv_undef)
1156 PPCODE: 1537 PPCODE:
1157{ 1538{
1158 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1159 int fd = s_fileno_croak (fh, 0); 1539 int fd = s_fileno_croak (fh, 0);
1160 dREQ; 1540 dREQ;
1541#if 0
1542 /* partially duplicate logic in s_fileno */
1543 SvGETMAGIC (fh);
1161 1544
1162 if (expect_false (close_fd < 0)) 1545 if (SvROK (fh))
1546 {
1547 fh = SvRV (fh);
1548 SvGETMAGIC (fh);
1549 }
1550
1551 if (SvTYPE (fh) == SVt_PVGV)
1163 { 1552 {
1164 int pipefd [2]; 1553 /* perl filehandle */
1554 PerlIOUnix_refcnt_inc (fd);
1555 do_close ((GV *)fh, 1);
1165 1556
1166 if ( 1557 req->type = EIO_CLOSE;
1167#ifdef _WIN32 1558 req->int1 = fd;
1168 _pipe (pipefd, 1, _O_BINARY) < 0 1559 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1169#else
1170 pipe (pipefd) < 0
1171 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1172#endif
1173 || close (pipefd [1]) < 0
1174 )
1175 abort (); /*D*/
1176
1177 close_fd = pipefd [0];
1178 } 1560 }
1179 1561 else
1562#endif
1563 {
1564 /* fd number */
1180 req->type = EIO_DUP2; 1565 req->type = EIO_DUP2;
1181 req->int1 = close_fd; 1566 req->int1 = close_fd;
1567 req->sv2 = newSVsv (fh);
1568 req->int2 = fd;
1569 }
1570
1571 REQ_SEND;
1572}
1573
1574void
1575aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1576 PPCODE:
1577{
1578 int fd = s_fileno_croak (fh, 0);
1579 dREQ;
1580
1581 req->type = EIO_SEEK;
1182 req->sv2 = newSVsv (fh); 1582 req->sv1 = newSVsv (fh);
1183 req->int2 = fd; 1583 req->int1 = fd;
1584 req->offs = SvVAL64 (offset);
1585 req->int2 = whence;
1184 1586
1185 REQ_SEND (req); 1587 REQ_SEND;
1186} 1588}
1187 1589
1188void 1590void
1189aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1591aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1190 ALIAS: 1592 ALIAS:
1191 aio_read = EIO_READ 1593 aio_read = EIO_READ
1192 aio_write = EIO_WRITE 1594 aio_write = EIO_WRITE
1193 PPCODE: 1595 PPCODE:
1194{ 1596{
… …
1210 len = svlen - dataoffset; 1612 len = svlen - dataoffset;
1211 } 1613 }
1212 else 1614 else
1213 { 1615 {
1214 /* read: check type and grow scalar as necessary */ 1616 /* read: check type and grow scalar as necessary */
1215 SvUPGRADE (data, SVt_PV); 1617 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1216 svptr = SvGROW (data, len + dataoffset + 1); 1618 svptr = sv_grow (data, len + dataoffset + 1);
1619 else if (SvCUR (data) < len + dataoffset)
1620 croak ("length + dataoffset outside of scalar, and cannot grow");
1217 } 1621 }
1218 1622
1219 { 1623 {
1220 dREQ; 1624 dREQ;
1221 1625
… …
1237 REQ_SEND; 1641 REQ_SEND;
1238 } 1642 }
1239} 1643}
1240 1644
1241void 1645void
1646aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1647 ALIAS:
1648 aio_ioctl = EIO_IOCTL
1649 aio_fcntl = EIO_FCNTL
1650 PPCODE:
1651{
1652 int fd = s_fileno_croak (fh, 0);
1653 char *svptr;
1654
1655 if (SvPOK (arg) || !SvNIOK (arg))
1656 {
1657 STRLEN svlen;
1658 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1659#ifdef IOCPARM_LEN
1660 STRLEN need = IOCPARM_LEN (request);
1661#else
1662 STRLEN need = 256;
1663#endif
1664
1665 if (svlen < need)
1666 svptr = SvGROW (arg, need);
1667 }
1668 else
1669 svptr = (char *)SvIV (arg);
1670
1671 {
1672 dREQ;
1673
1674 req->type = ix;
1675 req->sv1 = newSVsv (fh);
1676 req->int1 = fd;
1677 req->int2 = (long)request;
1678 req->sv2 = SvREFCNT_inc (arg);
1679 req->ptr2 = svptr;
1680
1681 REQ_SEND;
1682 }
1683}
1684
1685void
1242aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1686aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1243 ALIAS: 1687 ALIAS:
1244 aio_readlink = EIO_READLINK 1688 aio_readlink = EIO_READLINK
1245 aio_realpath = EIO_REALPATH 1689 aio_realpath = EIO_REALPATH
1246 PPCODE: 1690 PPCODE:
1247{ 1691{
… …
1252 1696
1253 REQ_SEND; 1697 REQ_SEND;
1254} 1698}
1255 1699
1256void 1700void
1257aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1701aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1258 PPCODE: 1702 PPCODE:
1259{ 1703{
1260 int ifd = s_fileno_croak (in_fh , 0); 1704 int ifd = s_fileno_croak (in_fh , 0);
1261 int ofd = s_fileno_croak (out_fh, 1); 1705 int ofd = s_fileno_croak (out_fh, 1);
1262 dREQ; 1706 dREQ;
1263 1707
1264 req->type = EIO_SENDFILE; 1708 req->type = EIO_SENDFILE;
1265 req->sv1 = newSVsv (out_fh); 1709 req->sv1 = newSVsv (out_fh);
1266 req->int1 = ofd; 1710 req->int1 = ofd;
… …
1271 1715
1272 REQ_SEND; 1716 REQ_SEND;
1273} 1717}
1274 1718
1275void 1719void
1276aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1720aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1277 PPCODE: 1721 PPCODE:
1278{ 1722{
1279 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
1280 dREQ; 1724 dREQ;
1281 1725
1282 req->type = EIO_READAHEAD; 1726 req->type = EIO_READAHEAD;
1283 req->sv1 = newSVsv (fh); 1727 req->sv1 = newSVsv (fh);
1284 req->int1 = fd; 1728 req->int1 = fd;
… …
1287 1731
1288 REQ_SEND; 1732 REQ_SEND;
1289} 1733}
1290 1734
1291void 1735void
1292aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1736aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1293 ALIAS: 1737 ALIAS:
1294 aio_stat = EIO_STAT 1738 aio_stat = EIO_STAT
1295 aio_lstat = EIO_LSTAT 1739 aio_lstat = EIO_LSTAT
1296 aio_statvfs = EIO_STATVFS 1740 aio_statvfs = EIO_STATVFS
1297 PPCODE: 1741 PPCODE:
1298{ 1742{
1299 dREQ; 1743 dREQ;
1300 1744
1301 req->sv1 = newSVsv (fh_or_path);
1302 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1745 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1746
1303 REQ_SEND; 1747 REQ_SEND;
1304} 1748}
1749
1750void
1751st_xtime ()
1752 ALIAS:
1753 st_atime = 0x01
1754 st_mtime = 0x02
1755 st_ctime = 0x04
1756 st_btime = 0x08
1757 st_xtime = 0x0f
1758 PPCODE:
1759 EXTEND (SP, 4);
1760 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1761 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1762 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1763 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1764
1765void
1766st_xtimensec ()
1767 ALIAS:
1768 st_atimensec = 0x01
1769 st_mtimensec = 0x02
1770 st_ctimensec = 0x04
1771 st_btimensec = 0x08
1772 st_xtimensec = 0x0f
1773 st_btimesec = 0x10
1774 st_gen = 0x20
1775 PPCODE:
1776 EXTEND (SP, 4);
1777 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1778 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1779 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1780 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1781 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1782 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1305 1783
1306UV 1784UV
1307major (UV dev) 1785major (UV dev)
1308 ALIAS: 1786 ALIAS:
1309 minor = 1 1787 minor = 1
1310 CODE: 1788 CODE:
1311 RETVAL = ix ? major (dev) : minor (dev); 1789 RETVAL = ix ? minor (dev) : major (dev);
1312 OUTPUT: 1790 OUTPUT:
1313 RETVAL 1791 RETVAL
1314 1792
1315UV 1793UV
1316makedev (UV maj, UV min) 1794makedev (UV maj, UV min)
… …
1318 RETVAL = makedev (maj, min); 1796 RETVAL = makedev (maj, min);
1319 OUTPUT: 1797 OUTPUT:
1320 RETVAL 1798 RETVAL
1321 1799
1322void 1800void
1323aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1801aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1324 PPCODE: 1802 PPCODE:
1325{ 1803{
1326 dREQ; 1804 dREQ;
1327 1805
1328 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1806 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1331 1809
1332 REQ_SEND; 1810 REQ_SEND;
1333} 1811}
1334 1812
1335void 1813void
1336aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1814aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1337 PPCODE: 1815 PPCODE:
1338{ 1816{
1339 dREQ; 1817 dREQ;
1340 1818
1341 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1819 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1343 1821
1344 REQ_SEND; 1822 REQ_SEND;
1345} 1823}
1346 1824
1347void 1825void
1348aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1826aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1349 PPCODE: 1827 PPCODE:
1350{ 1828{
1351 dREQ; 1829 dREQ;
1352 1830
1353 req->int2 = mode; 1831 req->int2 = mode;
… …
1355 1833
1356 REQ_SEND; 1834 REQ_SEND;
1357} 1835}
1358 1836
1359void 1837void
1360aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1838aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1361 PPCODE: 1839 PPCODE:
1362{ 1840{
1363 dREQ; 1841 dREQ;
1364 1842
1365 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1843 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1368 1846
1369 REQ_SEND; 1847 REQ_SEND;
1370} 1848}
1371 1849
1372void 1850void
1373aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1851aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1374 PPCODE: 1852 PPCODE:
1375{ 1853{
1376 dREQ; 1854 dREQ;
1377 1855
1378 req->type = EIO_READDIR; 1856 req->type = EIO_READDIR;
… …
1385 1863
1386 REQ_SEND; 1864 REQ_SEND;
1387} 1865}
1388 1866
1389void 1867void
1390aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1868aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1391 PPCODE: 1869 PPCODE:
1392{ 1870{
1393 dREQ; 1871 dREQ;
1394 1872
1395 req->type = EIO_MKDIR; 1873 req->type = EIO_MKDIR;
… …
1398 1876
1399 REQ_SEND; 1877 REQ_SEND;
1400} 1878}
1401 1879
1402void 1880void
1403aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1881aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1404 ALIAS: 1882 ALIAS:
1405 aio_unlink = EIO_UNLINK 1883 aio_unlink = EIO_UNLINK
1406 aio_rmdir = EIO_RMDIR 1884 aio_rmdir = EIO_RMDIR
1407 aio_readdir = EIO_READDIR 1885 aio_readdir = EIO_READDIR
1408 PPCODE: 1886 PPCODE:
… …
1414 1892
1415 REQ_SEND; 1893 REQ_SEND;
1416} 1894}
1417 1895
1418void 1896void
1419aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1897aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1420 ALIAS: 1898 ALIAS:
1421 aio_link = EIO_LINK 1899 aio_link = EIO_LINK
1422 aio_symlink = EIO_SYMLINK 1900 aio_symlink = EIO_SYMLINK
1423 aio_rename = EIO_RENAME 1901 aio_rename = EIO_RENAME
1424 PPCODE: 1902 PPCODE:
1425{ 1903{
1904 eio_wd wd2 = 0;
1426 dREQ; 1905 dREQ;
1427 eio_wd wd2 = 0;
1428 1906
1429 req->type = ix; 1907 req->type = ix;
1430 req_set_path1 (req, oldpath); 1908 req_set_path1 (req, oldpath);
1431 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1909 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1432 req->int3 = (long)wd2; 1910 req->int3 = (long)wd2;
1433 1911
1434 REQ_SEND; 1912 REQ_SEND;
1435} 1913}
1436 1914
1437void 1915void
1916aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1917 PPCODE:
1918{
1919 eio_wd wd2 = 0;
1920 dREQ;
1921
1922 req->type = EIO_RENAME;
1923 req_set_path1 (req, oldpath);
1924 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1925 req->int2 = flags;
1926 req->int3 = (long)wd2;
1927
1928 REQ_SEND;
1929}
1930
1931void
1438aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1932aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1439 PPCODE: 1933 PPCODE:
1440{ 1934{
1441 dREQ; 1935 dREQ;
1442 1936
1443 req->type = EIO_MKNOD; 1937 req->type = EIO_MKNOD;
… …
1447 1941
1448 REQ_SEND; 1942 REQ_SEND;
1449} 1943}
1450 1944
1451void 1945void
1452aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1946aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1453 ALIAS: 1947 ALIAS:
1454 aio_mtouch = EIO_MTOUCH 1948 aio_mtouch = EIO_MTOUCH
1455 aio_msync = EIO_MSYNC 1949 aio_msync = EIO_MSYNC
1456 PPCODE: 1950 PPCODE:
1457{ 1951{
1458 STRLEN svlen; 1952 STRLEN svlen;
1459 char *svptr = SvPVbyte (data, svlen); 1953 char *svptr = SvPVbyte (data, svlen);
1460 UV len = SvUV (length); 1954 UV len = SvUV (length);
1955
1956 if (flags < 0)
1957 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1461 1958
1462 if (offset < 0) 1959 if (offset < 0)
1463 offset += svlen; 1960 offset += svlen;
1464 1961
1465 if (offset < 0 || offset > svlen) 1962 if (offset < 0 || offset > svlen)
… …
1480 REQ_SEND; 1977 REQ_SEND;
1481 } 1978 }
1482} 1979}
1483 1980
1484void 1981void
1485aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1982aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1486 PPCODE: 1983 PPCODE:
1487{ 1984{
1488 STRLEN svlen; 1985 STRLEN svlen;
1489 char *svptr = SvPVbyte (data, svlen); 1986 char *svptr = SvPVbyte (data, svlen);
1490 UV len = SvUV (length); 1987 UV len = SvUV (length);
… …
1509 REQ_SEND; 2006 REQ_SEND;
1510 } 2007 }
1511} 2008}
1512 2009
1513void 2010void
1514aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2011aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1515 PPCODE: 2012 PPCODE:
1516{ 2013{
1517 dREQ; 2014 dREQ;
1518 2015
1519 req->type = EIO_MLOCKALL; 2016 req->type = EIO_MLOCKALL;
… …
1521 2018
1522 REQ_SEND; 2019 REQ_SEND;
1523} 2020}
1524 2021
1525void 2022void
2023aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2024 PPCODE:
2025{
2026 int fd = s_fileno_croak (fh, 0);
2027 dREQ;
2028
2029 req->type = EIO_CUSTOM;
2030 req->sv1 = newSVsv (fh);
2031 req->int1 = fd;
2032
2033 req->feed = fiemap;
2034#if HAVE_FIEMAP
2035 /* keep our fingers crossed that the next two types are 64 bit */
2036 req->offs = start;
2037 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2038 req->int2 = flags;
2039 req->int3 = SvOK (count) ? SvIV (count) : -1;
2040#endif
2041
2042 REQ_SEND;
2043}
2044
2045void
2046aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2047 PPCODE:
2048{
2049 char *svptr = 0;
2050
2051 sv_clear_foreign (data);
2052
2053 if (length) /* known length, directly read into scalar */
2054 {
2055 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2056 svptr = sv_grow (data, length + 1);
2057 else if (SvCUR (data) < length)
2058 croak ("length outside of scalar, and cannot grow");
2059 else
2060 svptr = SvPVbyte_nolen (data);
2061 }
2062
2063 {
2064 dREQ;
2065
2066 req->type = EIO_SLURP;
2067 req_set_path1 (req, pathname);
2068 req->offs = offset;
2069 req->size = length;
2070 req->sv2 = SvREFCNT_inc (data);
2071 req->ptr2 = svptr;
2072
2073 if (!SvREADONLY (data))
2074 {
2075 SvREADONLY_on (data);
2076 req->flags |= FLAG_SV2_RO_OFF;
2077 }
2078
2079 REQ_SEND;
2080 }
2081}
2082
2083void
1526aio_busy (double delay, SV *callback=&PL_sv_undef) 2084aio_busy (double delay, SV *callback = &PL_sv_undef)
1527 PPCODE: 2085 PPCODE:
1528{ 2086{
1529 dREQ; 2087 dREQ;
1530 2088
1531 req->type = EIO_BUSY; 2089 req->type = EIO_BUSY;
… …
1533 2091
1534 REQ_SEND; 2092 REQ_SEND;
1535} 2093}
1536 2094
1537void 2095void
1538aio_group (SV *callback=&PL_sv_undef) 2096aio_group (SV *callback = &PL_sv_undef)
1539 PPCODE: 2097 PPCODE:
1540{ 2098{
1541 dREQ; 2099 dREQ;
1542 2100
1543 req->type = EIO_GROUP; 2101 req->type = EIO_GROUP;
1544 2102
2103 PUTBACK;
1545 req_submit (req); 2104 req_submit (req);
2105 SPAGAIN;
2106
1546 XPUSHs (req_sv (req, aio_grp_stash)); 2107 XPUSHs (req_sv (req, aio_grp_stash));
1547} 2108}
1548 2109
1549void 2110void
1550aio_nop (SV *callback=&PL_sv_undef) 2111aio_nop (SV *callback = &PL_sv_undef)
1551 ALIAS: 2112 ALIAS:
1552 aio_nop = EIO_NOP 2113 aio_nop = EIO_NOP
1553 aio_sync = EIO_SYNC 2114 aio_sync = EIO_SYNC
1554 PPCODE: 2115 PPCODE:
1555{ 2116{
… …
1559 2120
1560 REQ_SEND; 2121 REQ_SEND;
1561} 2122}
1562 2123
1563int 2124int
1564aioreq_pri (int pri = 0) 2125aioreq_pri (int pri = NO_INIT)
1565 CODE: 2126 CODE:
1566 RETVAL = next_pri; 2127 RETVAL = next_pri;
1567 if (items > 0) 2128 if (items > 0)
1568 { 2129 {
1569 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2130 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1659 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2220 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1660 OUTPUT: 2221 OUTPUT:
1661 RETVAL 2222 RETVAL
1662 2223
1663void 2224void
1664mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2225mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1665 PPCODE: 2226 PPCODE:
1666 sv_unmagic (scalar, MMAP_MAGIC); 2227 sv_clear_foreign (scalar);
1667{ 2228{
1668 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2229 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1669 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2230 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1670 if (addr == (void *)-1) 2231 if (addr == (void *)-1)
1671 XSRETURN_NO; 2232 XSRETURN_NO;
1672 2233
1673 sv_force_normal (scalar); 2234 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1674
1675 /* we store the length in mg_obj, as namlen is I32 :/ */
1676 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1677 ->mg_obj = (SV *)length;
1678
1679 SvUPGRADE (scalar, SVt_PV); /* nop... */
1680 2235
1681 if (!(prot & PROT_WRITE)) 2236 if (!(prot & PROT_WRITE))
1682 SvREADONLY_on (scalar); 2237 SvREADONLY_on (scalar);
1683 2238
1684 if (SvLEN (scalar))
1685 Safefree (SvPVX (scalar));
1686
1687 SvPVX (scalar) = (char *)addr;
1688 SvCUR_set (scalar, length);
1689 SvLEN_set (scalar, 0);
1690 SvPOK_only (scalar);
1691
1692 XSRETURN_YES; 2239 XSRETURN_YES;
1693} 2240}
1694 2241
1695void 2242void
1696munmap (SV *scalar) 2243munmap (SV *scalar)
1697 CODE: 2244 CODE:
1698 sv_unmagic (scalar, MMAP_MAGIC); 2245 sv_clear_foreign (scalar);
2246
2247SV *
2248mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2249 CODE:
2250{
2251 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2252 void *new;
2253
2254 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2255 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2256
2257 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2258
2259 RETVAL = &PL_sv_no;
2260
2261 if (new != (void *)-1)
2262 {
2263 RETVAL = new == (void *)mg->mg_ptr
2264 ? newSVpvn ("0 but true", 10)
2265 : &PL_sv_yes;
2266
2267 mg->mg_ptr = (char *)new;
2268 mg->mg_obj = (SV *)new_length;
2269
2270 SvPVX (scalar) = mg->mg_ptr;
2271 SvCUR_set (scalar, new_length);
2272 }
2273}
2274 OUTPUT:
2275 RETVAL
1699 2276
1700int 2277int
1701madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2278madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1702 ALIAS: 2279 ALIAS:
1703 mprotect = 1 2280 mprotect = 1
1704 CODE: 2281 CODE:
1705{ 2282{
1706 STRLEN svlen; 2283 STRLEN svlen;
1707 void *addr = SvPVbyte (scalar, svlen); 2284 void *addr = SvPVbyte (scalar, svlen);
1708 size_t len = SvUV (length); 2285 STRLEN len = SvUV (length);
1709 2286
1710 if (offset < 0) 2287 if (offset < 0)
1711 offset += svlen; 2288 offset += svlen;
1712 2289
1713 if (offset < 0 || offset > svlen) 2290 if (offset < 0 || offset > svlen)
… …
1727} 2304}
1728 OUTPUT: 2305 OUTPUT:
1729 RETVAL 2306 RETVAL
1730 2307
1731int 2308int
1732munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2309munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1733 CODE: 2310 CODE:
1734{ 2311{
1735 STRLEN svlen; 2312 STRLEN svlen;
1736 void *addr = SvPVbyte (scalar, svlen); 2313 void *addr = SvPVbyte (scalar, svlen);
1737 size_t len = SvUV (length); 2314 size_t len = SvUV (length);
1738 2315
1739 if (offset < 0) 2316 if (offset < 0)
1740 offset += svlen; 2317 offset += svlen;
1741 2318
… …
1748 addr = (void *)(((intptr_t)addr) + offset); 2325 addr = (void *)(((intptr_t)addr) + offset);
1749 eio_page_align (&addr, &len); 2326 eio_page_align (&addr, &len);
1750#if _POSIX_MEMLOCK_RANGE 2327#if _POSIX_MEMLOCK_RANGE
1751 RETVAL = munlock (addr, len); 2328 RETVAL = munlock (addr, len);
1752#else 2329#else
1753 RETVAL = ((errno = ENOSYS), -1); 2330 RETVAL = EIO_ENOSYS ();
1754#endif 2331#endif
1755} 2332}
1756 OUTPUT: 2333 OUTPUT:
2334 RETVAL
2335
2336int
2337mlockall (int flags)
2338 PROTOTYPE: $;
2339 CODE:
2340 RETVAL = eio_mlockall_sync (flags);
2341 OUTPUT:
1757 RETVAL 2342 RETVAL
1758 2343
1759int 2344int
1760munlockall () 2345munlockall ()
1761 CODE: 2346 CODE:
1762#if _POSIX_MEMLOCK 2347#if _POSIX_MEMLOCK
1763 munlockall (); 2348 munlockall ();
1764#else 2349#else
1765 RETVAL = -1; 2350 RETVAL = EIO_ENOSYS ();
1766 errno = ENOSYS;
1767#endif 2351#endif
1768 OUTPUT: 2352 OUTPUT:
1769 RETVAL 2353 RETVAL
2354
2355int
2356statx (SV8 *pathname, int flags, UV mask)
2357 CODE:
2358{
2359 /* undocumented, and might go away, and anyway, should use eio_statx */
2360 SV *wdsv = 0;
2361 SV *pathsv = 0;
2362 eio_wd wd = EIO_CWD;
2363 void *ptr;
2364 int res;
2365
2366 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2367 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2368
2369 SvREFCNT_dec (pathsv);
2370 SvREFCNT_dec (wdsv);
2371}
2372 OUTPUT:
2373 RETVAL
2374
2375U32
2376stx_mode ()
2377 PROTOTYPE:
2378 CODE:
2379#if HAVE_STATX
2380 RETVAL = stx.stx_mode;
2381#else
2382 XSRETURN_UNDEF;
2383#endif
2384 OUTPUT:
2385 RETVAL
2386
2387#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2388#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2389#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2390#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2391#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2392#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2393#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2394#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2395#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2396#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2397#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2398#define STATX_OFFSET_size statx_offsetof (stx_size)
2399#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2400#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2401#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2402#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2403#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2404#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2405
2406U32
2407stx_mask ()
2408 PROTOTYPE:
2409 ALIAS:
2410 stx_mask = STATX_OFFSET_mask
2411 stx_blksize = STATX_OFFSET_blksize
2412 stx_nlink = STATX_OFFSET_nlink
2413 stx_uid = STATX_OFFSET_uid
2414 stx_gid = STATX_OFFSET_gid
2415 stx_rdev_major = STATX_OFFSET_rdev_major
2416 stx_rdev_minor = STATX_OFFSET_rdev_minor
2417 stx_dev_major = STATX_OFFSET_dev_major
2418 stx_dev_minor = STATX_OFFSET_dev_minor
2419 CODE:
2420#if HAVE_STATX
2421 RETVAL = *(__u32 *)((char *)&stx + ix);
2422#else
2423 XSRETURN_UNDEF;
2424#endif
2425 OUTPUT:
2426 RETVAL
2427
2428VAL64
2429stx_attributes ()
2430 PROTOTYPE:
2431 ALIAS:
2432 stx_attributes = STATX_OFFSET_attributes
2433 stx_ino = STATX_OFFSET_ino
2434 stx_size = STATX_OFFSET_size
2435 stx_blocks = STATX_OFFSET_blocks
2436 stx_attributes_mask = STATX_OFFSET_attributes_mask
2437 CODE:
2438#if HAVE_STATX
2439 RETVAL = *(__u64 *)((char *)&stx + ix);
2440#else
2441 XSRETURN_UNDEF;
2442#endif
2443 OUTPUT:
2444 RETVAL
2445
2446NV
2447stx_atime ()
2448 PROTOTYPE:
2449 ALIAS:
2450 stx_atime = STATX_OFFSET_atime
2451 stx_btime = STATX_OFFSET_btime
2452 stx_ctime = STATX_OFFSET_ctime
2453 stx_mtime = STATX_OFFSET_mtime
2454 CODE:
2455#if HAVE_STATX
2456 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2457 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2458#else
2459 XSRETURN_UNDEF;
2460#endif
2461 OUTPUT:
2462 RETVAL
2463
2464VAL64
2465stx_atimesec ()
2466 PROTOTYPE:
2467 ALIAS:
2468 stx_atimesec = STATX_OFFSET_atime
2469 stx_btimesec = STATX_OFFSET_btime
2470 stx_ctimesec = STATX_OFFSET_ctime
2471 stx_mtimesec = STATX_OFFSET_mtime
2472 CODE:
2473#if HAVE_STATX
2474 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2475 RETVAL = ts->tv_sec;
2476#else
2477 XSRETURN_UNDEF;
2478#endif
2479 OUTPUT:
2480 RETVAL
2481
2482U32
2483stx_atimensec ()
2484 PROTOTYPE:
2485 ALIAS:
2486 stx_atimensec = STATX_OFFSET_atime
2487 stx_btimensec = STATX_OFFSET_btime
2488 stx_ctimensec = STATX_OFFSET_ctime
2489 stx_mtimensec = STATX_OFFSET_mtime
2490 CODE:
2491#if HAVE_STATX
2492 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2493 RETVAL = ts->tv_nsec;
2494#else
2495 RETVAL = 0;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500void
2501accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2502 PPCODE:
2503{
2504 SV *retval;
2505#if HAVE_ACCEPT4
2506 socklen_t salen_ = salen ? salen + 1 : 0;
2507
2508 if (salen)
2509 {
2510 sv_upgrade (sockaddr, SVt_PV);
2511 sv_grow (sockaddr, salen_);
2512 }
2513
2514 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2515
2516 retval = newmortalFH (res, O_RDWR);
2517
2518 if (res >= 0 && salen > 0)
2519 {
2520 if (salen_ > salen + 1)
2521 salen_ = salen + 1;
2522
2523 SvPOK_only (sockaddr);
2524 SvCUR_set (sockaddr, salen_);
2525 }
2526#else
2527 errno = ENOSYS;
2528 retval = &PL_sv_undef;
2529#endif
2530 XPUSHs (retval);
2531}
2532
2533ssize_t
2534splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2535 CODE:
2536{
2537#if HAVE_LINUX_SPLICE
2538 loff_t off_in_, off_out_;
2539 RETVAL = splice (
2540 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2541 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2542 length, flags
2543 );
2544#else
2545 RETVAL = EIO_ENOSYS ();
2546#endif
2547}
2548 OUTPUT:
2549 RETVAL
2550
2551ssize_t
2552tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2553 CODE:
2554#if HAVE_LINUX_SPLICE
2555 RETVAL = tee (rfh, wfh, length, flags);
2556#else
2557 RETVAL = EIO_ENOSYS ();
2558#endif
2559 OUTPUT:
2560 RETVAL
2561
2562int
2563pipesize (aio_rfd rfh, int new_size = -1)
2564 PROTOTYPE: $;$
2565 CODE:
2566#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2567 if (new_size >= 0)
2568 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2569 else
2570 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2571#else
2572 errno = ENOSYS;
2573 RETVAL = -1;
2574#endif
2575 OUTPUT:
2576 RETVAL
2577
2578void
2579pipe2 (int flags = 0)
2580 PROTOTYPE: ;$
2581 PPCODE:
2582{
2583 int fd[2];
2584 int res;
2585
2586 if (flags)
2587#if HAVE_PIPE2
2588 res = pipe2 (fd, flags);
2589#else
2590 res = (errno = ENOSYS, -1);
2591#endif
2592 else
2593 res = pipe (fd);
2594
2595 if (!res)
2596 {
2597 EXTEND (SP, 2);
2598 PUSHs (newmortalFH (fd[0], O_RDONLY));
2599 PUSHs (newmortalFH (fd[1], O_WRONLY));
2600 }
2601}
2602
2603void
2604eventfd (unsigned int initval = 0, int flags = 0)
2605 PPCODE:
2606{
2607 int fd;
2608#if HAVE_EVENTFD
2609 fd = eventfd (initval, flags);
2610#else
2611 fd = (errno = ENOSYS, -1);
2612#endif
2613
2614 XPUSHs (newmortalFH (fd, O_RDWR));
2615}
2616
2617void
2618timerfd_create (int clockid, int flags = 0)
2619 PPCODE:
2620{
2621 int fd;
2622#if HAVE_TIMERFD
2623 fd = timerfd_create (clockid, flags);
2624#else
2625 fd = (errno = ENOSYS, -1);
2626#endif
2627
2628 XPUSHs (newmortalFH (fd, O_RDWR));
2629}
2630
2631void
2632timerfd_settime (SV *fh, int flags, NV interval, NV value)
2633 PPCODE:
2634{
2635 int fd = s_fileno_croak (fh, 0);
2636#if HAVE_TIMERFD
2637 int res;
2638 struct itimerspec its, ots;
2639
2640 ts_set (&its.it_interval, interval);
2641 ts_set (&its.it_value , value);
2642 res = timerfd_settime (fd, flags, &its, &ots);
2643
2644 if (!res)
2645 {
2646 EXTEND (SP, 2);
2647 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2648 PUSHs (newSVnv (ts_get (&ots.it_value)));
2649 }
2650#else
2651 errno = ENOSYS;
2652#endif
2653}
2654
2655void
2656timerfd_gettime (SV *fh)
2657 PPCODE:
2658{
2659 int fd = s_fileno_croak (fh, 0);
2660#if HAVE_TIMERFD
2661 int res;
2662 struct itimerspec ots;
2663 res = timerfd_gettime (fd, &ots);
2664
2665 if (!res)
2666 {
2667 EXTEND (SP, 2);
2668 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2669 PUSHs (newSVnv (ts_get (&ots.it_value)));
2670 }
2671#else
2672 errno = ENOSYS;
2673#endif
2674}
2675
2676void
2677memfd_create (SV8 *pathname, int flags = 0)
2678 PPCODE:
2679{
2680 int fd;
2681#if HAVE_MEMFD_CREATE
2682 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2683#else
2684 fd = (errno = ENOSYS, -1);
2685#endif
2686
2687 XPUSHs (newmortalFH (fd, O_RDWR));
2688}
2689
2690UV
2691get_fdlimit ()
2692 CODE:
2693#if HAVE_RLIMITS
2694 struct rlimit rl;
2695 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2696 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2697#endif
2698 XSRETURN_UNDEF;
2699 OUTPUT:
2700 RETVAL
2701
2702void
2703min_fdlimit (UV limit = 0x7fffffffU)
2704 CODE:
2705{
2706#if HAVE_RLIMITS
2707 struct rlimit rl;
2708 rlim_t orig_rlim_max;
2709 UV bit;
2710
2711 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2712 goto fail;
2713
2714 if (rl.rlim_cur == RLIM_INFINITY)
2715 XSRETURN_YES;
2716
2717 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2718
2719 if (rl.rlim_cur < limit)
2720 {
2721 rl.rlim_cur = limit;
2722
2723 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2724 rl.rlim_max = rl.rlim_cur;
2725 }
2726
2727 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2728 XSRETURN_YES;
2729
2730 if (errno == EPERM)
2731 {
2732 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2733 /* our limit overflows a system-wide limit */
2734 /* try an adaptive algorithm, but do not lower the hardlimit */
2735 rl.rlim_max = 0;
2736 for (bit = 0x40000000U; bit; bit >>= 1)
2737 {
2738 rl.rlim_max |= bit;
2739 rl.rlim_cur = rl.rlim_max;
2740
2741 /* never decrease the hard limit */
2742 if (rl.rlim_max < orig_rlim_max)
2743 break;
2744
2745 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2746 rl.rlim_max &= ~bit; /* too high, remove bit again */
2747 }
2748
2749 /* now, raise the soft limit to the max permitted */
2750 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2751 {
2752 rl.rlim_cur = rl.rlim_max;
2753 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2754 errno = EPERM;
2755 }
2756 }
2757#endif
2758 fail:
2759 XSRETURN_UNDEF;
2760}
1770 2761
1771void _on_next_submit (SV *cb) 2762void _on_next_submit (SV *cb)
1772 CODE: 2763 CODE:
1773 SvREFCNT_dec (on_next_submit); 2764 SvREFCNT_dec (on_next_submit);
1774 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2765 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1787DESTROY (SV *self) 2778DESTROY (SV *self)
1788 CODE: 2779 CODE:
1789{ 2780{
1790 aio_wd wd = SvAIO_WD (self); 2781 aio_wd wd = SvAIO_WD (self);
1791#if HAVE_AT 2782#if HAVE_AT
2783 {
1792 SV *callback = &PL_sv_undef; 2784 SV *callback = &PL_sv_undef;
1793 dREQ; /* clobbers next_pri :/ */ 2785 dREQ; /* clobbers next_pri :/ */
2786 next_pri = req->pri; /* restore next_pri */
2787 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1794 req->type = EIO_WD_CLOSE; 2788 req->type = EIO_WD_CLOSE;
1795 req->wd = wd; 2789 req->wd = wd;
1796 REQ_SEND; 2790 REQ_SEND;
2791 }
1797#else 2792#else
1798 eio_wd_close_sync (wd); 2793 eio_wd_close_sync (wd);
1799#endif 2794#endif
1800} 2795}
1801 2796
… …
1805cancel (aio_req_ornot req) 2800cancel (aio_req_ornot req)
1806 CODE: 2801 CODE:
1807 eio_cancel (req); 2802 eio_cancel (req);
1808 2803
1809void 2804void
1810cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2805cb (aio_req_ornot req, SV *callback = NO_INIT)
1811 PPCODE: 2806 PPCODE:
1812{ 2807{
1813 if (GIMME_V != G_VOID) 2808 if (GIMME_V != G_VOID)
1814 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2809 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1815 2810
1816 if (items > 1) 2811 if (items > 1)
1817 { 2812 {
1818 SV *cb_cv =get_cb (callback); 2813 SV *cb_cv = get_cb (callback);
1819 2814
1820 SvREFCNT_dec (req->callback); 2815 SvREFCNT_dec (req->callback);
1821 req->callback = SvREFCNT_inc (cb_cv); 2816 req->callback = SvREFCNT_inc (cb_cv);
1822 } 2817 }
1823} 2818}
… …
1880limit (aio_req grp, int limit) 2875limit (aio_req grp, int limit)
1881 CODE: 2876 CODE:
1882 eio_grp_limit (grp, limit); 2877 eio_grp_limit (grp, limit);
1883 2878
1884void 2879void
1885feed (aio_req grp, SV *callback=&PL_sv_undef) 2880feed (aio_req grp, SV *callback = &PL_sv_undef)
1886 CODE: 2881 CODE:
1887{ 2882{
1888 SvREFCNT_dec (grp->sv2); 2883 SvREFCNT_dec (grp->sv2);
1889 grp->sv2 = newSVsv (callback); 2884 grp->sv2 = newSVsv (callback);
1890 grp->feed = aio_grp_feed; 2885 grp->feed = aio_grp_feed;

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